28737687

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{6857}}^1$

素因数の和:6998

約数の個数: 16

約数和(自身を含む): 42135552

約数和(自身を除く): 13397865

約数列:

[1, 3, 11, 33, 127, 381, 1397, 4191, 6857, 20571, 75427, 226281, 870839, 2612517, 9579229, 28737687]

約数ペア:

[(1, 28737687), (3, 9579229), (11, 2612517), (33, 870839), (127, 226281), (381, 75427), (1397, 20571), (4191, 6857)]